Description Additional information Description SS Back-Up Ring Home » Products » Replacement Parts » Pool Filter Parts » Pentair Filter Parts » Pentair Clean & Clear Plus Pool Cartridge Filter Replacement Parts » SS Back-Up Ring Additional information Weight 1 lbs SS Back-Up Ring SKU: 195339 Categories: Pentair Filter Parts, Replacement Parts, Pool Filter Parts, Pentair Clean & Clear Plus Pool Cartridge Filter Replacement Parts, Pentair FNS Plus Series Diatomaceous Earth (D.E.) Pool Filter Replacement Parts $108.65 SS Back-Up Ring quantity Add to cart OR Pay with Stainless Steel Back-Up Ring Related products O-ring for Old Style Drain Plug: Manufactured between 11/98 – 05/21/05 $9.52 Add to cart Clean & Clear 240 Square Feet (ft) Pac Fab (Now Pentair) Pool Filter Cartridge – 4/req. $91.83 Add to cart Clean & Clear 520 Square Feet (ft) Pac Fab (Now Pentair) Pool Filter Cartridge, (After 11-98) – 4/req. $165.08 Add to cart Pentair Black Valve Adapter Kit, 2 Inch (in) X 2-1/2 Inch (in) $89.71 Add to cart